Home / 3,078,028.21-4,616,823.35-947,890.21

Finding the Fourth Proportional to 3,078,028.21, 4,616,823.35 and 947,890.21

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Solution

The fourth proportional to 3,078,028.21, 4,616,823.35 and 947,890.21 is: 1,421,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,028.21 : 4,616,823.35 = 947,890.21 : x
  2. Step 2: Convert to fraction form
    3,078,028.21/4,616,823.35 = 947,890.21/x
  3. Step 3: Cross multiply
    3,078,028.21x = 4,616,823.35 × 947,890.21
  4. Step 4: Simplify right side
    3,078,028.21x = 4,376,241,650,024.95
  5. Step 5: Solve for x
    x = 4,376,241,650,024.95/3,078,028.21
  6. Step 6: Final answer
    x = 1,421,767.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.